Gerry A Good

Gerry A Good is the author of "Observing Variable Stars", "L' osservazione Delle Stelle Variabili" and "L' Osservazione Delle Stelle Variabili".

Books by Gerry A Good

Observing Variabl...
Good, Gerry A.
Electronic book text: $69.99

Observing Variabl...
Good, Gerry A.
Paperback: $44.99

L' Osservazione D...
Good, Gerry A.
Paperback: $27.99

L' osservazione D...
Good, Gerry A.
Electronic book text: $19.99